PL
Ribbed belts are classified according to DIN 7867. The following data is used for classification: number of ribs, profile designation, reference length, design. Endless rubber ribbed belts with a PL profile have the following dimensions: rib distance 4.7 mm, belt height 9.0/7.5 mm, backing height 1.5 mm.
Preferred applications for these rubber ribbed belts include large transmission ratios, drives with fixed centre distances, high belt speeds, small pulley diameters and reverse tensioning idlers.